$user = $_POST['username'];
    $pass = $_POST['password'];
    $sql = mysqli_query($conn, "SELECT * FROM m_user where username = '******' and password = '******' ");
    $arr = mysqli_fetch_array($sql);
    $id = $arr['sid'];
    $password = $arr['password'];
    $username = $arr['username'];
    $role = $arr['role'];
    $nama = $arr['nama'];
    // $role = $arr['has_role'];
    if ($user == $username && $pass == $password && ($user != "" && $pass != "")) {
        session_start();
        $_SESSION['username'] = $username;
        $_SESSION['password'] = $password;
        $_SESSION['user_sid'] = $id;
        $_SESSION['nama'] = $nama;
        $_SESSION['role'] = $role;
        $halaman = "../form/login.php";
        if ($role == "team") {
        } else {
            if ($role == "manager" || $role == "noc" || $role == "admin") {
                $halaman = "../form/admin/";
            }
        }
        // echo "<script> alert(''); window.location.href='".$halaman."';</script>";
        showDialogUtama("Halo!", "Selamat datang " . $nama . " ! ", "success", "../form/admin/");
    } else {
        showDialogUtama("Maaf!", "Email atau password anda belum terdaftar, silahkan ulangi kembali!", "error", "../index.php");
        // echo "<script> alert(' '); window.history.back();</script>";
    }
}
<?php

include "../config/configuration.php";
if (isset($_POST['btn_save_spk'])) {
    //generat sid
    $id = gen_uuid();
    //search nomor paling terakhir spk
    $nilai_terakhir = mysqli_query($conn, "SELECT COALESCE(MAX(LEFT(no_spk, 4)+0), 0) as nilai_terakhir FROM t_surat_perintah_kerja") or die(mysqli_error());
    $nilai_terakhir = mysqli_fetch_array($nilai_terakhir);
    $nilai_terakhir = $nilai_terakhir['nilai_terakhir'];
    // generate nomor spk
    $nomor_spk = str_pad($nilai_terakhir + 1, 4, "0", STR_PAD_LEFT) . "/JAR/" . date("Y");
    $id_pelanggan = $_POST['id_pelanggan'];
    $id_team = $_POST['id_team'];
    $cp_nama = $_POST['cp_nama'];
    $cp_telepon = $_POST['cp_telepon'];
    $masalah = $_POST['masalah'];
    $catatan = htmlspecialchars($_POST['catatan']);
    $akses = $_POST['akses'];
    //save action
    $str = "INSERT INTO t_surat_perintah_kerja (sid, no_spk, id_pelanggan, id_team, tanggal, cp_nama, cp_telepon, masalah, catatan, akses, status) VALUES \n    \t('{$id}', '{$nomor_spk}', '{$id_pelanggan}', '{$id_team}', now(), '{$cp_nama}', '{$cp_telepon}', '{$masalah}', '{$catatan}', '{$akses}', 'NEW')";
    // echo ">>>>".$str;
    $query = mysqli_query($conn, $str) or die(showDialogUtama("Error!", mysqli_error($conn), "error", "../form/admin/?page=noc&form=new"));
    if ($query) {
        showDialogUtama("Berhasil", "Data Berhasil disimpan !", "success", "../form/admin/?page=noc&form=view");
        // echo "<script>alert('Berhasil Menyimpan Data'); window.location.href = '';</script>";
    } else {
        showDialogUtama("Maaf!", "Data Gagal Disimpan!", "error", "../form/admin/?page=noc&form=new");
        // echo "<script>alert('Gagal Menyimpan Data');window.history.back();</script>";
    }
}